badkins196 badkins196

04-12-2020
Mathematics

contestada

Find f(x) = g(x) given that f(x) = x - 8 and g(x) =- 3x2 + 4x - 1

Respuesta :

zanyar23 zanyar23

05-12-2020

Step-by-step explanation:

x-8= -3x²+4x-1

3x²+x-4x=-1+8

3x²-3x=7

3x²-3x-7=0

x²-x-3.5=0

Delta = -1²-(4)(1)(-3.5)

+1+14=15

x1=-1- sqrt(15) /2(1) =2.43

x2=-1+sqrt(15)/2(1) =-1.93

I don't think it is right but i tried my best

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